38 2.8-inch Linux Visible Light Product User Manual
Door Sensor Delay (s)
If the door is not closed and locked after opening for a certain duration (Door Sensor Delay),
an alarm will be triggered. The valid value of Door Sensor Delay ranges from 1 to 255
seconds.
Door Sensor Type
There are three types: None, Normal Open, and Normal Closed. None means door sensor is
not in use; Normal Open means the door is always opened when electricity is on; Normal
Closed means the door is always closed when electricity is on.
Door Alarm Delay (s)
When the state of the door sensor is inconsistent with that of the door sensor type,
alarm will be triggered after a time period; this time period is the Door Alarm Delay
(the value ranges from 1 to 999 seconds).
Speaker Alarm
To transmit a sound alarm or disassembly alarm from the local. When the door is
closed or the verification is successful, the system will cancel the alarm from the local.